<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>

<link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">

<script src="https://unpkg.com/element-ui/lib/index.js"></script>

<body>
<div id="app">
    <el-button @click="visible = true">按钮</el-button>
    <el-dialog :visible.sync="visible" title="Hello world">
        <p>欢迎使用 Element</p>
    </el-dialog>
</div>
</body>
</html>